If you’re running Drupal + Gatsby.JS website, you’ll inevitably change the URLs of some of these articles (i.e. by changing the title) → and this will change the slug (URL) →and this will cause 404s (i.e. break all Social Media posts, etc). There’s a way to fix it.

The Reason

This depends on the case, in my case (and many other examples I’ve seen) – the slugs are generated by using Drupal’s path aliases. And Drupal’s paths depend (usually) on the node’s title.

This has unforeseen consequences, once you change the title, the path is changed too and on the next build, Gatsby will stop recognizing the old paths, resulting in 404s. This happened to me – when I wanted to rename the initial article as “Part 1” (because I’ve written a “Part 2” later), all my social-media posts were broken and Goo…